Bioflavonoids (vitamin P) review
• Basics: a class of water-soluble plant pigments with antioxidant, anti-inflammatory, antiallergenic, antiviral, and anti-carcinogenic properties.
• Benefits: helps protect this vitamin C against oxidation, stimulates bile production, lowers cholesterol levels, treats and prevent cataracts, involved in maintaining the health of the collagen.
• Dosage: 500 mg per day is indicated for supplementation.
• Sources: citrus fruits, red wine, green tea, onions, grapefruit seeds, apples, ginkgo biloba, hawthorn and Chinese scullcap.
• Overdose: bioflavonoids are generally safe, high doses may cause diarrhea.
Editor’s choice: Citrus Bioflavonoid
Citrus bioflavonoids work synergistically with Vitamin C. They each enhance the action of the other. Citrus bioflavonoids are needed for Vitamin C to be used effectively by the body. They also lengthen the effectiveness of Vitamin C by slowing down its breakdown. Citrus bioflavonoids help relieve allergies, fight viruses and the common cold, and support the reduction of inflammation. Click here for more information.
Hesperidin (vitamin P2)
Hesperidin is one of the bioflavonoids, naturally occurring nutrients usually found in association with vitamin C. Hesperidin is a flavanone glycoside (glucoside) comprised of the flavanone hesperitin and the disaccharide rutinose. Hesperidin is the predominant flavonoid in lemons and oranges. Hesperidin, in combination with a flavone glycoside called diosmin, is used in the treatment of venous insufficiency and hemorrhoids.
Hesperidin is an important nutrient that works synergistically with vitamin C to maintain the health of collagen. Hesperidin, rutin and other flavonoids thought to reduce capillary permeability and to have anti-inflammatory action were collectively known as vitamin P. Hesperidin is useful in treating the complaints of menopause and in dealing with the viruses that cause herpes, the flu, and certain respiratory ailments. Supplemental hesperidin may also help reduce edema or excess swelling in the legs due to fluid accumulation.
Other benefits of hesperidin include a purported ablility to alleviate hay fever and other such allergies.
Hesperidin is the predominant flavonoid in lemons and oranges. The peel and membranous parts of these fruits have the highest hesperidin concentrations. Sweet oranges and tangelos are the richest dietary sources of hesperidin. Hesperidin deficiency has been linked with abnormal capillary leakiness as well as pain in the extremeities causing achiness, weakness, and night leg cramps. No signs of toxicity have been observed with normal intake.